HYDROGEN BONDING Boiling points of hydrogen halides Boiling points HF +20 HCl-85 HBr-67 HI-35 Notice that the HI, HBr, HCl boiling point trends follow the size effect: larger molecules having higher boiling points (stronger dispersion forces). Following this trend, we would predict HF to have a boiling point of about -100. The boiling point is +20 because of hydrogen bonding. Boiling points

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